Levees / Illinois / 1505000005

Lake Carlyle - Keyesport Levee

Keyesport, Clinton County, Illinois. On the Carlyle Lake. USACE records 332 people living in the area this system is built to protect.

Non-Accredited Levee SystemUSACE oversight
People behind it
332
USACE figure
Structures
302
in the leveed area
Levee length
1.4
miles
Leveed area
0.64
square miles
01

The federal record

System ID
1505000005
System type
Dam-related System
FEMA accreditation
Non-Accredited Levee System
Screening rating (LSAC)
Not Screened
Inspection rating
Not published
Inspection date
Not published
Rehabilitation programme
NA
Responsible sponsor
USACE - St Louis District
Waterway
Carlyle Lake
Segments
1
USACE district
St. Louis
USACE division
Mississippi Valley Division
FEMA region
5
Congressional district
12, 15
Consequence estimate
$121.9 million
Flood of record
Not published

What this page does not tell you

It does not say whether any particular address is protected. A FEMA accreditation status describes this system measured against a design flood event, and USACE states that the database may not represent the totality of levees in the United States. If you need to know what applies to a specific property, your local floodplain administrator holds that answer. How to read an accreditation status.

02

Where it is

Source: USACE National Levee Database, system 1505000005. Refreshed 2026-09-10. Values are reproduced as published. USACE updates the database irregularly and without a change feed, so the refresh date above is the age of what you are reading.